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Method for improving growth of taxol

A yew, five-year-old technology, applied in horticultural methods, botanical equipment and methods, horticulture and other directions, can solve the problems of waste of resources, manpower and material resources, irregular cultivation methods, undetectable paclitaxel, etc., and achieves broad application prospects, Avoid serious losses, promote cumulative effect

Inactive Publication Date: 2007-04-04
FUJIAN SOUTH PHARMA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But irregular cultivation methods have caused serious problems
According to the survey, the growth of yew cultivated in some places in China is not good, and paclitaxel cannot be detected in the branches and leaves, resulting in a huge waste of resources, manpower and material resources

Method used

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  • Method for improving growth of taxol
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  • Method for improving growth of taxol

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] In Example 1, the three-year-old Median yew saplings were shaded at 40±5% at 1 meter above it, that is, a shading net was used, and a special bracket was used to erect a special bracket at 1 meter above the small tree. The transmittance of the black shade net can be adjusted by adjusting the size of the shade net mesh, so as to achieve a corresponding degree of shading effect. Use the sandy and loose soil that is good for the growth of yew to keep the soil moist. Use a soil moisture analyzer to monitor the soil moisture once every two days. At each monitoring, the moisture content of at least 5 points is randomly measured to make each point The soil moisture content is maintained at about 20%. In the dry seasons of summer and autumn, water in time to keep the soil moist. Due to high temperature, strong sunshine, and drought, the yew often produces leaf blight and red blight, so in addition to shading, the method of spraying Bordeaux mixture on the leaves should be used for ...

Embodiment 2

[0033] Example 2, Sown Taxus chinensis seeds in sandy, loose soil, and use 100% shading treatment 1 meter above the cultivated seedlings to keep the soil moist, and monitor soil moisture with a soil moisture content analyzer every two days Once, randomly measure the moisture content of at least 5 points during each monitoring, so that the soil moisture content of each point is maintained at about 30%. Other precautions during cultivation are the same as in Example 1. In the same place, the same seedlings were shaded with 75% and 50% with different coverage, and the growth of seedlings treated with 100% shading was compared. The results are shown in Table 4 and Table 5.

[0034] Shade treatment

Seedling height (cm)

Ground diameter (cm)

Crown width (cm)

100% shade

25

0.33

19.40

75% shade

18.40

0.28

17.80

50% shade

16.80

0.25

17.50

[0035] Shade treatment

Class I seedl...

Embodiment 3

[0038] Example 3 In the Chinese fir forest, three-year-old Taxus chinensis tree was planted in shade interplanting to create a 50% shade environment to keep the soil moist. The soil moisture was monitored by a soil moisture analyzer every two days. , Randomly measure the moisture content of at least 5 points during each monitoring, so that the soil moisture content of each point is maintained at about 25%. Other precautions during cultivation are the same as in Example 1. Plant three-year-old southern yew trees with the same height, ground diameter and crown width in the same place, using two different light treatments: full light and 75% shading, and the southern yew small trees with 50% shading. The growth conditions of the yew trees were compared to investigate the influence of different light intensities on the growth of the southern yew trees. The comparison is shown in Table 6.

[0039] Shading

[0040] Note: The percentages in parentheses in Table 6 are the growth...

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Abstract

A method for promoting growth of enqlish yew is characterized by that its sunshine shielding rate is controlled according to the age of enqlish yew sapling and the water content in soil is controlled to 19-35% for keeping the soil in moist state.

Description

Technical field [0001] The invention relates to a method for promoting the growth of yew. Background technique [0002] Paclitaxel, a new type of high-efficiency anti-tumor drug, was first isolated from the bark of Pacific yew by Dr Wani of the American Triangle Institute. It is a new specific anti-cancer drug discovered after adriamycin and cisplatin. Because of its remarkable curative effect and unique mechanism in the field of cancer treatment, it has become a hot spot in the world of natural medicine research. Due to the slow growth of yew, its low content of taxane compounds has greatly restricted the supply of such drugs. However, the international demand for it is quite large. The large-scale felling caused by extracting paclitaxel from the bark will threaten the species protection and regional distribution of Taxus plants, and will eventually destroy the ecological environment, causing resource depletion and species depletion. Extinct. The resource problem of Taxus genus ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/00A01G7/06A01G17/00
Inventor 王昌伟彭少麟李文建林发亮陈伟民
Owner FUJIAN SOUTH PHARMA CO LTD
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